package cn.tedu.boot02.controller;

import cn.tedu.boot02.enity.User;
import cn.tedu.boot02.util.DBUtil;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

@Controller
public class UserController {
    @RequestMapping("/login")

    public String login(User user){
        System.out.println("user = " + user);
        try (Connection conn= DBUtil.getConnection()){
            String sql="select password from user where nickname=?";
            PreparedStatement ps=conn.prepareStatement(sql);
            ps.setString(1,user.getNickname());
            ResultSet rs=ps.executeQuery();
            if(rs.next()){
                String pw=rs.getNString(1);
                if(pw.equals(user.getPassword())){
                    return "登录成功";
                }
                return "密码错误";
            }

        } catch (SQLException throwables) {
            throwables.printStackTrace();
        }


        return "用户名不存在";

    }
}
